UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zazSAzy2dPCp4uboN7a2ip3zweXwhqaLpa1e5fYUtzg=' 
WHERE 
  key_id = '39ac9d14e0e6348dd918efc241e4620de40174c0c3a046c5220dbc83396106ed' 
  AND (
    token = 'zazSAzy2dPCp4uboN7a2ip3zweXwhqaLpa1e5fYUtzg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )